Home / 1,440,187,182.72-1,987,417,257.60-845,462,102.40

Finding the Fourth Proportional to 1,440,187,182.72, 1,987,417,257.60 and 845,462,102.40

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Solution

The fourth proportional to 1,440,187,182.72, 1,987,417,257.60 and 845,462,102.40 is: 1,166,713,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,187,182.72 : 1,987,417,257.60 = 845,462,102.40 : x
  2. Step 2: Convert to fraction form
    1,440,187,182.72/1,987,417,257.60 = 845,462,102.40/x
  3. Step 3: Cross multiply
    1,440,187,182.72x = 1,987,417,257.60 × 845,462,102.40
  4. Step 4: Simplify right side
    1,440,187,182.72x = 1,680,285,972,956,538,368
  5. Step 5: Solve for x
    x = 1,680,285,972,956,538,368/1,440,187,182.72
  6. Step 6: Final answer
    x = 1,166,713,600.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.